{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53389",
    "entityType": "User",
    "nonce": "0xc79d515f9a9aefdf8b697931b10da3b0ca9983181838d793b21d3b13a7025c51",
    "signature": "0x9121d3b5a47b9c0a5f4e940b6fe8ee9a5f4ec1205d0717a0624a4df158d512027e7577d6201f2920845178f486c265ca38205f98f66c9ce70a5e95f77f40b3081c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}